package com.kuangstudy.vo;

import lombok.Data;

import java.lang.reflect.Field;
import java.util.HashMap;
import java.util.Map;

@Data
public class R {

    private Boolean success;

    private Integer code;

    private String message;

    private Map<String, Object> data = new HashMap<String, Object>();

    private R() {
    }

    public static R ok() {
        R r = new R();
        r.setSuccess(ResultCodeEnum.SUCCESS.getSuccess());
        r.setCode(ResultCodeEnum.SUCCESS.getCode());
        r.setMessage(ResultCodeEnum.SUCCESS.getMessage());
        return r;
    }

    public static R error() {
        R r = new R();
        r.setSuccess(ResultCodeEnum.UNKNOWN_REASON.getSuccess());
        r.setCode(ResultCodeEnum.UNKNOWN_REASON.getCode());
        r.setMessage(ResultCodeEnum.UNKNOWN_REASON.getMessage());
        return r;
    }

    public static R setResult(ResultCodeEnum resultCodeEnum) {
        R r = new R();
        r.setSuccess(resultCodeEnum.getSuccess());
        r.setCode(resultCodeEnum.getCode());
        r.setMessage(resultCodeEnum.getMessage());
        return r;
    }

    public R success(Boolean success) {
        this.setSuccess(success);
        return this;
    }

    public R message(String message) {
        this.setMessage(message);
        return this;
    }

    public R code(Integer code) {
        this.setCode(code);
        return this;
    }

    public R data(String key, Object value) {
        this.data.put(key, value);
        return this;
    }

    public R data(Map<String, Object> map) {
        this.setData(map);
        return this;
    }

    /**
     * 将obj转换成map
     *
     * @param obj
     * @return
     */
    public static Map<String, Object> beanToMap(Object obj) {
        Map<String, Object> map = new HashMap<>();
        Class<?> objClass = obj.getClass();
        Field[] declaredFields = objClass.getDeclaredFields();
        for (Field feild : declaredFields) {
            feild.setAccessible(true);
            String fieldname = feild.getName();
            Object val = null;
            try {
                val = feild.get(obj);
            } catch (Exception ex) {

            }
            map.put(fieldname, val);
        }
        return map;
    }
}